Allen-Bradley 140M-D8E-C25 Motor Protection Circuit Breaker — Frame D, 18 to 25 A adjustable thermal / fixed magnetic. The Allen-Bradley 140M-D8E-C25 is a 140M-series frame D motor protection circuit breaker with a 18 to 25 A adjustable current range. It is a 3-pole thermomagnetic device with adjustable thermal and fixed magnetic (13 x In) protection, rated up to 690V insulation voltage and 22 kW @ 690V (AC-3). It offers a short-circuit breaking capacity of 65 kA at 400/415V. This catalog number is discontinued, with 140MT-D9E-C25 as the recommended replacement..
MPN / SKU: 140M-D8E-C25
140M-D8E-C25 Applications
Use the 140M-D8E-C25 for short-circuit and overload protection of three-phase motors drawing full-load currents within the 18 to 25 A band. Its adjustable thermal trip lets you match the breaker to the motor nameplate current, while the fixed magnetic element provides fast fault clearing. The 65 kA breaking capacity suits distribution points with high available fault current up to 415V. As a discontinued item, evaluate the 140MT-D9E-C25 for new designs. Always verify motor FLA and coordination requirements before setting the trip dial.
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